InChI=1/C19H17ClN2O4/c20-12-5-6-14-17(7-8-21-18(14)9-12)22-16-4-2-1-3-15(16)19(25)26-11-13(24)10-23/h1-9,13,23-24H,10-11H2,(H,21,22)/p+1/t13-/m0/s1/fC19H18ClN2O4/h21-22H/q+1 8B0628C86208FAE4